We don't need your post link to scrape comments. Just login with facebook and select your giveaway post.
We are using official Facebook API to scrape instagram comments. No more failed requests or long waiting times.
Using unofficial API with bot instagram accounts are slow and fails a lot. We use official API which is ~5x faster.
Small businesses can use our scraper for free. You can scrape 3 posts with 100 comments each every day for free.
When your results are ready, you can export them into excel sheet. You can also choose a winner in the same page.
You can access buch of advanced filters while choosing a winner. Like following check, mention, hastag and more.